<script setup lang="ts">
import { getHomeBannerAPI, getHomeCategoryAPI, getHomeHotAPI } from '@/services/home'
import { onLoad } from '@dcloudio/uni-app';
import { ref } from 'vue';
import type { BannerItem, CategoryItem, HotItem } from '@/types/home';
import type { XtxGuessInstance } from '@/types/component';
import CustomNavbar from './components/CustomNavbar.vue';
import CategoryPanel from './components/CategoryPanel.vue';
import HotPanel from './components/HotPanel.vue'
import PageSkeleton from './components/PageSkeleton.vue';

// 获取轮播图数据
const bannerList = ref<BannerItem[]>([])
const getHomeBannerData = async () => {
  const res = await getHomeBannerAPI()
  console.log(res)
  bannerList.value = res.result
}

// 获取前台分类数据
const categoryList = ref<CategoryItem[]>([])
const getHomeCategoryData = async () => {
  const res = await getHomeCategoryAPI()
  categoryList.value = res.result
}

// 获取热门推荐数据
const hotList = ref<HotItem[]>([])
const getHomeHotData = async() => {
  const res = await getHomeHotAPI()
  hotList.value = res.result
}

// 是否加载中标记
const isLoading = ref(false)

// 页面加载
onLoad(async () => {
  isLoading.value = true
  await Promise.all([
    getHomeBannerData(),
    getHomeCategoryData(),
    getHomeHotData(),
  ])
  isLoading.value = false
})

// 获取猜你喜欢组件实例
const guessRef = ref<XtxGuessInstance>()
// 滚动触底
const onScrolltolower = () => {
  // console.log('滚动触底了~')
  guessRef.value?.getMore()
}

// 当前下来刷新状态
const isTriggered = ref(false)
// 自定义下拉刷新被触发
const onRefresherrefresh = async () => {
  // 开始动画
  isTriggered.value = true
  // 加载数据
  // await getHomeBannerData()
  // await getHomeCategoryData()
  // await getHomeHotData()
  // 重置猜你喜欢组件数据
  guessRef.value?.resetData()
  await Promise.all([
    getHomeBannerData(), 
    getHomeCategoryData(), 
    getHomeHotData(),
    guessRef.value?.getMore()
  ])
  // 关闭动画
  isTriggered.value = false
}
</script>

<template>
  <!-- 自定义导航栏 -->
  <CustomNavbar />
  <!-- 滚动容器 -->
  <scroll-view 
    refresher-enabled 
    @refresherrefresh="onRefresherrefresh" 
    :refresher-triggered="isTriggered"
    @scrolltolower="onScrolltolower" 
    class="scroll-view"
    scroll-y
  >
    <!-- 骨架屏 -->
    <PageSkeleton  v-if="isLoading"/>
    <template v-else>
      <!-- 自定义轮播图 -->
      <XtxSwiper :list="bannerList" />
      <!-- 分类面板 -->
      <CategoryPanel :list="categoryList"/>
      <!-- 热门推荐 -->
      <HotPanel :list="hotList"/>
      <!-- 猜你喜欢 -->
      <XtxGuess ref="guessRef"/>
    </template>
  </scroll-view>
</template>

<style lang="scss">
page {
  background-color: #f7f7f7;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.scroll-view {
  flex: 1;
}
</style>
